body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  overflow: hidden;
}

.wrapper{
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-left: 10px;
}

h1, .h1 {
  margin: 20px 10px 10px;
  width: 400px;
  font-size: 2.5rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  letter-spacing: -0.19rem;
}

content, .content{
  margin: 10px;
  font-size: 90%;
}

.additive-elem {
  padding-left: 20px;
  flex: 1 1 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.additive-elem * {
  white-space: pre;
  margin-right: 5px;
}

.tool {
  display: flex;
}

.button {
  color: #8A8A8A;
  line-height: 1;
  padding: 5px 5px;
  margin: 0 10px;
  font-size: 120%;
  border: 0.5px solid transparent;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  /* text-align: center; */

  transition-property: color, background-color;
  transition-duration: .12s;
  transition-timing-function: ease-in;
}

.button:hover {
  color: #000;
  background-color: rgb(223, 223, 223);
}
.button:active {
  background-color: rgb(200, 200, 200);
  outline: none;
}